Updated Custom Profiles section.
Merge pull request #682 from sudheesh001/master

Updated Custom Profiles section. fixes #665
added Sudheesh Singanamalla to authors
Merge pull request #687 from nickdesaulniers/authors

added Sudheesh Singanamalla to authors
cancel old connection/toolbox instead of preventing new connection (fixes #679)
Merge pull request #688 from mykmelez/race-connection

cancel old connection/toolbox instead of preventing new connection